the oldest galaxy known to us. they say the findings give us a look at our cosmic roots, as they put it. america's space agency is adjusting to life after the space shuttle program and officials there tell us the hubbell photos offered just a small preview of what we'll see with the planned launch of an even more powerful telescope later this decade: what's this thing? >> they focused on a distant part of the universe with the telescope. they focused on an area about the size of one tenth of a full moon. and they held that exposure for a much longer time than they've ever done before. the light from those stars just now arriving at earth after more than 13 billion years of travel. hard to comprehend. the photos revealed seven galaxies that had never been observed before, seven galaxies created just before the dawn of time. >> we have amazing capability with hubbell to probe this far back in time. all the way back to 13.3 billion years. only a few hundred million years after the big bang. one universe is less than 3